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一、引言随着科技的进步,电视事业的快速发展,对广播电台和电视台播出机房供电系统的安全性、可靠性提出了更高的要求。目前部分广电系统播出机房工艺用电的前端UPS机房都配备了ATS开关进行双路电源切换,由于市电供电电网系统常会发生意外过压、失压、欠压、频率波动等现象,这些会影响广播或电视播出系统的工艺用电设备安全运行,严重时将会造成播出系统停电事故。
I. INTRODUCTION With the advancement of science and technology and the rapid development of television industry, higher requirements are put forward on the safety and reliability of the power supply system broadcast by radio and television stations. At present, some radio and television systems broadcast the front-end UPS rooms of the engine room process electricity are equipped with ATS switch for dual power switching, due to mains power supply grid system accidental overvoltage, loss of pressure, voltage, frequency fluctuations and other phenomena often occur, The safe operation of the process electrical equipment that affects the broadcasting or television broadcasting system will cause a power outage accident when the system is severely damaged.